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666 results about "Service time" patented technology

Local life service integration method and device and terminal equipment

The embodiment of the invention provides a local life service integration method and device and terminal equipment. The method comprises the following steps: integrating a plurality of heterogeneous local life service providers into a gas station service platform to obtain a local life service platform, and collecting real-time service data in real time; non-oil sales fluctuation of the gas station is predicted based on the real-time service data, and the order quantity and the delivery cycle of upstream and downstream suppliers are dynamically adjusted according to a prediction result; constructing a multi-dimensional data analysis model, predicting user traffic and various service demands in different time periods every day, and configuring a corresponding local life service time window based on a prediction result; dynamically updating callable local life service resources and dynamically deploying gas station human resources based on the order quantity, the delivery cycle and the local life service resource configuration; and generating a personalized service list of the user by using a collaborative filtering algorithm and a reinforcement learning algorithm, interacting with the user in an interaction interface, and providing corresponding local life service resources for the user.
Owner:LONGMA ZHIXIN (ZHUHAI HENGQIN) TECH CO LTD

Task awareness and intelligent scheduling method for convergence network

ActiveCN119212105AResource allocationBiological modelsPathPingTask awareness
The invention discloses a converged network-oriented task awareness and intelligent scheduling method, and relates to the technical field of communication networks, the method is applied to a converged network, and the method comprises the following steps: constructing a converged network architecture; extracting a user equipment node of the current to-be-processed task from the computing power identifier of the current to-be-processed task as a source node; based on the converged network architecture, determining a corresponding path by using a path search algorithm when the source node is used as a starting point and each computing power center node is used as a destination node; according to the computing power identifier of the current to-be-processed task, selecting an optimal path from paths corresponding to all computing power center nodes; according to the method, the transmission time delay and the service time delay are considered when the optimal path is selected, so that the reasonability of task perception and intelligent scheduling oriented to the fusion network can be improved.
Owner:BEIJING JIAOTONG UNIV

Method for realizing automatic service discovery by modifying service registration center based on xxl-job

The embodiment of the invention provides a method for realizing automatic service discovery by transforming a service registration center based on xxl-job, and the method comprises the steps: registering a micro-service gateway, a multi-copy xxl-job-admin scheduling center and a micro-service timed task executor to the service registration center, and carrying out the centralized storage and management of configuration items in the service registration center. And meanwhile, the microservice gateway is used for providing access and load balancing based on routing for the xxl-job-admin dispatching center and the microservice timed task executor. And the xxl-job-admin scheduling center obtains the online micro-service timed task executor from the service registration center, and calls the executor to execute the timed task instead of depending on active registration of the executor. According to the method, the problems of high management cost and difficult dynamic expansion caused by independent deployment of the xxl-job are solved, the xxl-job deployment method which is easy for unified management, high in availability and flexible in configuration is provided, and automatic discovery and dynamic scheduling of timed tasks in a micro-service environment are realized.
Owner:富盛科技股份有限公司

Digital advertisement putting method based on big data

The invention relates to the technical field of digital marketing, in particular to a digital advertisement putting method based on big data, and the method comprises the following steps: initializing an advertisement model, importing advertisement request time sequence data, carrying out time sequence analysis, adjusting an enqueue rule and a processing rate, calculating request distribution in a differentiated time period, and generating model parameter configuration. According to the invention, through a queuing theory and time sequence data analysis, advertisement time sequence and processing efficiency optimization, time sequence analysis and parameter adjustment, advertisement timeliness is enhanced, user activity peak synchronization is ensured, user participation degree and advertisement effect are improved, and recalculation of service time and estimation of waiting time support real-time monitoring of service efficiency. Accurate matching of advertisement resources and user requirements is achieved, real-time adjustment of strategies and simulation testing rapidly adapt to market changes, the resource utilization efficiency and ROI are improved, and precision and economic benefits of advertisement putting are remarkably improved through fine management and data driving optimization.
Owner:WUHAN LUCKY COORDINATE INFORMATION TECH CO LTD

Communication method, device and system

The invention provides a communication method, device and system, and relates to the technical field of mobile communication. The communication method is executed by core network equipment, and comprises the following steps: receiving a non-access stratum message sent by user equipment, the non-access stratum message carrying an indication field of a connection service request and an indication field of a data service request; generating a service request according to the non-access stratum message; and sending the service request, wherein the service request is used for triggering a connection service management function device and a data service management function device to provide a connection service and a data service for the user equipment. Through the method, the network can process the connection request and the data service request of the user equipment at the same time, the signaling overhead of the multi-element service request is saved, and the service time delay is reduced.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Multi-protocol fusion communication scheduling system resource allocation method and device

The invention relates to the technical field of communication scheduling, in particular to a multi-protocol fusion communication scheduling system resource allocation method and device, and the method comprises the following steps: obtaining communication characteristic parameters of multiple protocols in real time, and generating a dynamic priority weight of each protocol based on a protocol type, service time sensitivity and a channel noise parameter; according to the dynamic priority weight, disassembling a physical resource block into atom sequence units capable of being combined across protocols, and generating a segmentation strategy comprising an inter-protocol occupation sequence and a sequence splicing rule; when the segmentation strategy is executed, channel interference mutation points are detected in real time, and resource allocation optimization is completed through dynamic replacement and redundancy injection of the sequence units. According to the invention, the utilization rate of communication resources can be improved, the problem of frequency spectrum fragmentation is effectively relieved, and the stability and reliability under high-interference and high-density communication scenes are improved.
Owner:LVSWITCHES INC

Communication method

The invention provides a communication method, and the method comprises the steps that a terminal device obtains first service time information, the first service time information corresponds to a first synchronization signal block SSB index, and the terminal device establishes a communication connection with a target satellite device according to the first service time information; wherein the first service time information is used for indicating the end time when the source satellite equipment provides the service for the terminal equipment, or the first service time information is used for indicating the start time when the target satellite equipment provides the service for the terminal equipment. Based on the technical scheme, in the connection process of the target satellite and the source satellite, switching of all user equipment in the cell in the same time period is avoided, and occupation of network resources is reduced.
Owner:HUAWEI TECH CO LTD

Data center cooling system performance evaluation method and system

The invention provides a data center cooling system performance evaluation method and system. The method comprises the following steps: acquiring operation data of data center cooling equipment and power load data of a server, and combining service time and maintenance records of the equipment to determine a performance baseline; calculating resonance frequency points caused by harmonic waves under different working conditions based on the vibration characteristics of the base line and the current harmonic characteristics in the electric energy quality in combination with equipment structure parameters and a working condition empirical formula; frequency sweeping is performed by actively adjusting the rotating speed of equipment, the dominant harmonic frequency and the contribution proportion thereof are verified, and a proportional relation model of harmonic and vibration characteristics is established; adjusting equipment parameters according to the model, and calculating the deviation degree of a harmonic component and a performance baseline; and finally, combining harmonic change characteristics with deviation degree correlation, and constructing energy efficiency and health state evaluation indexes of the cooling system. According to the invention, collaborative evaluation of the energy efficiency and the health state of the data center cooling system is realized.
Owner:BEIJING AVIC XINBERUN TECHNOLOGY CO LTD

Saas platform-based customized order receiving method and system for designated driver

The invention discloses a customized order receiving method and system for a designated driver based on a saas platform. The invention relates to the technical field of designated driving services. Receiving demand data of a driver, wherein the demand data comprises order receiving preference, a service area and service time; receiving personal information input by a driver, wherein the personal information comprises basic information and order receiving preference setting; wherein the demand data comprises order receiving preferences, service areas and service time of drivers and users; wherein the basic information comprises a name, a driving age and a vehicle type; according to the invention, the driver is allowed to set personalized order receiving conditions according to own order receiving preference, service area and time, so that the working flexibility of the driver is greatly improved. The driver can autonomously select the order suitable for himself / herself, so that the rejection rate of improper orders is reduced, and the working efficiency and the satisfaction degree are improved. And through an intelligent order receiving matching algorithm, the system can quickly match the most appropriate order for the driver, so that the empty driving time and waiting time of the driver are reduced, and the working efficiency and income are further improved.
Owner:BEIJING LONGJU YIXING TECH CO LTD

System abnormity intelligent diagnosis and recovery method and system fusing time sequence logs

The invention provides a system abnormity intelligent diagnosis and recovery method and system fusing time sequence logs, and relates to the field of distributed system operation and maintaining.The method comprises the steps that operation logs are collected from a plurality of service nodes of a distributed system, time sequence alignment is conducted, and calling relation and performance measurement data are extracted; time sequence change features are calculated in the sliding time window, dynamic feature vectors are generated through fusion coding, and a cross-service time sequence association graph is constructed; identifying an abnormal service node and matching the abnormal service node with historical fault data to obtain a historical propagation path and a feature vector; calculating a propagation convergence coefficient and a characteristic deviation degree based on a historical propagation path to obtain a causal intensity score; and identifying a fault influence degree according to the score, and adaptively adjusting a resource isolation and flow scheduling strategy. According to the invention, accurate diagnosis and efficient recovery of distributed system faults are realized.
Owner:SMIC WANYE TECHNOLOGY CO LTD

Efficient communication resource allocation method for low-orbit communication satellites

The invention belongs to the technical field of satellite communication, and discloses a high-efficiency communication resource allocation method for a low-orbit communication satellite, which comprises the following steps of: (1) arranging a ground wave position according to a satellite height and a coverage area; (2) estimating the satellite service time and the hopping beam period according to the satellite height and the service distance; (3) estimating time resources required by sensing according to the ground wave position distribution and the sensing target type; (4) estimating resources required by communication according to the geographic position and the development condition of the ground wave position; (5) for a specific scene, performing time slot allocation joint optimization according to perception and communication requirements; and (6) generating a hopping beam pattern according to communication and sensing characteristics by using a time slot allocation result. According to the invention, the sensing module is introduced, joint optimization is carried out on the hopping beam time slot distribution, the hopping beam pattern is generated, on the basis of not damaging the original communication system, the communication and sensing integrated design is realized, the system efficiency is maximized, and the method is more suitable for the communication and sensing scenes of future low-orbit satellites.
Owner:NANJING UNIV OF POSTS & TELECOMM

Message pushing method, system and related device

The invention discloses a message pushing method, a message pushing system and a related device. The method is applied to a first electronic device and comprises the steps that first service data sent by a first application are acquired, and the first service data comprise a first service type, first service time and first service content; determining a first reminding moment of the first service based on the first service type and the first service time; determining a first message based on the first service type, the first reminding moment and the first service content; and when it is detected that the first reminding moment arrives, displaying a first notification according to the first message. Therefore, the message can be pushed based on the reminding moment, simultaneous pushing of multiple messages is avoided, and thus the user is prevented from missing the message.
Owner:HUAWEI TECH CO LTD

Wave position distribution method and device, electronic equipment and storage medium

The invention provides a wave position distribution method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a terminal wave position requested by a target terminal; determining a service beam corresponding to the terminal beam position as a target beam; updating the total number of terminals accessed under the target beam and the number of beam position terminals accessed under the terminal beam position, and calculating a time block modification value of each beam position covered by the target beam according to the total number of terminals and the number of beam position terminals; and according to the time block modification value, updating the time block corresponding to each beam position covered by the target beam to obtain a beam position distribution result. The target beam corresponding to the terminal beam position requested by the target terminal is determined, the time block is re-allocated to each beam covered by the target beam based on the change of the number of the accessed terminals under the terminal beam position, and the time block corresponding to each beam position covered by the target beam is dynamically adjusted, so that the terminal access success rate is improved, and the user experience is improved. The service time delay is reduced and the service rate is improved.
Owner:DATANG TELECOM TECH CO LTD

High-speed rail emergency train number matching optimization method and system based on timeliness guarantee

The invention provides a high-speed rail emergency train number matching optimization method and system based on timeliness guarantee, and belongs to the field of logistics distribution scheme optimization. According to the method, the set business process comprises customer delivery, goods pickup and delivery, inter-station transportation and goods pickup and delivery; according to the order data and the rider data, the taking and delivering service time distribution of the two links of taking goods to the station and taking goods and delivering goods is constructed, and then the goods waiting time, the latest arrival time of the day and the goods arrival time meeting the maximum delay time are determined; taking the smaller value of the latest arrival time of the day and the cargo arrival time meeting the maximum delay time as the latest arrival time of the cargo; determining a train alternative set according to cargo time limit requirements and cargo OD stations; and based on the timeliness guarantee and the operation cost, constructing a high-speed rail emergency train number matching optimization model based on the timeliness guarantee, and solving the model to obtain an optimized train number matching result. According to the invention, the punctuality and reliability of transportation are improved, and the overall operation efficiency and economic benefits are improved.
Owner:BEIJING JIAOTONG UNIV

Switching control method, function network element, communication system and electronic equipment

The invention relates to a switching control method, a function network element, a communication system and electronic equipment, and relates to the technical field of satellite communication. The switching control method is executed by a first functional network element, and comprises the following steps: receiving a switching target determination request sent by a second functional network element, the switching target determination request comprising position information of user equipment, a service time range and an identifier of a currently accessed satellite; according to the position information of the user equipment, the identifier of the currently accessed satellite and the change information of the topological structure of the satellite network, determining one or more target satellites for continuous switching of the user equipment within the service time range; and sending a handover target determination response to the second function network element, the handover target determination response comprising the identifiers of the one or more target satellites, so that the second function network element controls handover of the user equipment according to the identifiers of the one or more target satellites.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Computing or estimating a specific service time interval or a specific service time information related to a user equipment in a mobile communication network

A method for computing or estimating a service time interval or service time information related to a user equipment in a mobile communication network includes: in a first step, generating, by the user equipment, location information related to the user equipment's position; and in a second step, computing or estimating, by the user equipment, the service time interval or the service time information, wherein the computing or estimating is based on the location information related to the user equipment's position and based on reference location information received from a base station entity.
Owner:DEUTSCHE TELEKOM AG

Method and system for calculating driver service order duration in real time based on Flink

The invention discloses a method and a system for calculating driver service order duration in real time based on Flink, particularly relates to the technical field of data processing, and is characterized in that a window operation of the Flink is used for defining a vehicle receiving and dispatching event and an order event of a driver in a business data source as an input event stream, and an event type field is defined for distinguishing the vehicle receiving and dispatching event from the order event; according to the driver ID and the order ID, dividing time slices, in each time slice, performing grouping according to the driver ID and the order ID, calculating the service duration of each order of each driver in each time slice, and summarizing the driver service duration of each order of each slice; and aggregating the maximum service duration in each time slice according to the driver ID to obtain the service order duration of each driver in any time period, setting a threshold value of the fatigue driving duration of the driver, judging whether the threshold value is exceeded or not according to the service order duration data of the driver in any time period, and evaluating the fatigue driving condition of the driver.
Owner:BEIJING BAILONG MAYUN TECH CO LTD

Random access method, apparatus, and storage medium

Embodiments of the present invention relate to the technical field of communications, and in particular to a random access method, an apparatus, and a storage medium. The method is applied to a terminal side device, and comprises: determining a window end position for receiving a random access response message; in response to the window end position being not comprised in a first service time period, determining, according to a second service time period after the window end position, a window position for receiving the random access response message, wherein the first service time period and the second service time period are two adjacent service time periods on the current service beam time domain. According to the random access method, the apparatus, and the storage medium provided by the embodiments of the present invention, the problem of a data transmission time sequence of a terminal side device in a random access process can be solved.
Owner:SPREADTRUM SEMICON (NANJING) CO LTD

Scheduling method and system for idle energy storage vehicles

The invention relates to the technical field of electric vehicle charging and discharging scheduling, in particular to an idle energy storage vehicle scheduling method and system, and the method comprises the steps: obtaining a charging and replacing task or a power grid power transmission task, and determining a target position; selecting idle energy storage vehicles according to vehicle states in a set range of an area where the target position is located; according to the current position, the vehicle speed, the battery state, the mileage information and the idle state information of the idle energy storage vehicles, the power supply capacity is determined, and the idle energy storage vehicle with the minimum distance from the target position is screened out; based on a shortest path algorithm, an optimal path between the idle energy storage vehicles and the target position is obtained, a scheduling instruction is sent to the corresponding idle energy storage vehicles, and the idle energy storage vehicles execute corresponding tasks; and after the task is finished, obtaining the actual charging and switching quantity, the service time and the user feedback score to form a reward function, storing the reward function in historical data, updating the state-action value function during the scheduling period based on the historical data, and enabling the scheduling algorithm to autonomously learn the optimal decision strategy through updating.
Owner:SHANDONG UNIV OF TECH +1

Service life detection method and system for direct current brushless gear motor

The invention relates to the technical field of service life detection, and discloses a service life detection method and system for a direct-current brushless gear motor, and the method comprises the steps: determining the remaining service life of a to-be-detected motor according to a calibrated service life and accumulated service time; analyzing the parameter information, adjusting the residual service life based on an analysis result, and obtaining an initial residual service life prediction value of the to-be-detected motor; analyzing the historical motor operation record, calculating a historical abnormal operation index of the to-be-detected motor based on an analysis result, and judging whether the initial residual life prediction value is compensated or not according to the historical abnormal operation index; and determining a compensation coefficient of the initial residual life prediction value according to the historical abnormal operation index, and compensating the initial residual life prediction value according to the compensation coefficient to obtain a final residual life prediction value. The invention provides a new technical means for predicting the service life of the direct-current brushless gear motor, and is beneficial to improving the maintenance efficiency and prolonging the service life of the motor.
Owner:ZHEJIANG MAILI ELECTROMECHANICAL CO LTD

Communication method and device

The invention provides a communication method and device, and relates to the technical field of wireless communication. According to the invention, the condition that the terminal device stays in the first link for a long time can be reduced, so that the terminal device can receive the scheduling information of the network device in time, and the service time delay can be reduced. The method includes the terminal device monitoring a low power wakeup signal (LP-WUS) from a network device through a first link. Under the first condition, the terminal device monitors a physical downlink control channel (PDCCH) from the network device through the second link. Wherein the first condition comprises at least one of the following items: a first moment arrives, and the first moment is one of periodic moments; or, the first link does not monitor the LP-WUS in the first duration. Wherein the power consumption of the first link is smaller than that of the second link. For example, the first link may be a secondary link, and the second link may be a primary link.
Owner:HUAWEI TECH CO LTD

Remote consultation appointment scheduling optimization method and system in uncertain environment

The invention relates to the technical field of remote medical treatment, and provides a remote consultation appointment scheduling optimization method and system in an uncertain environment. In the optimization method, the non-punctuality of experts in a superior hospital and the randomness of consultation service time are combined, the non-punctuality condition of the experts is analyzed, non-punctuality constraint conditions of the experts and a remote consultation appointment scheduling model based on stochastic programming are constructed, and meanwhile, uncertain factors in the scheduling distribution process are combined, so that the remote consultation appointment scheduling of the experts in the superior hospital is optimized. The method comprises the following steps of: linearizing an unpunctuality constraint condition, converting a random type remote consultation appointment scheduling model into a determined type mixed integer programming model by combining a sample average approximation method, and further solving the determined type mixed integer programming model based on input parameters of different subjects, so as to obtain an appointment scheduling result. And determining a globally optimal consultation scheduling distribution scheme of the remote consultation application.
Owner:ZHENGZHOU UNIV

Fan tower drum reliability evaluation method and system, electronic equipment and medium

The invention belongs to the technical field of wind power generation, and relates to a fan tower reliability evaluation method and system, electronic equipment and a medium, and the method comprises the steps: obtaining a weather fatigue accumulated damage coefficient according to different weather data information; obtaining a load coefficient based on the load stress and a preset allowable stress; the inclination is collected in real time through an inclination angle sensor, and according to the inclination and a preset inclination threshold value, an inclination coefficient is obtained through normalization processing; obtaining the service time and the design life of the fan tower, and obtaining a life attenuation coefficient based on the service time and the design life; and obtaining the reliability according to the weather fatigue accumulated damage coefficient, the load coefficient, the inclination coefficient, the life attenuation coefficient, a preset weather fatigue accumulated damage weight, a load weight, an inclination weight and a life attenuation weight. According to the method, the reliability is obtained through the weather fatigue accumulated damage coefficient, the load coefficient, the inclination coefficient and the life attenuation coefficient, and the problem of low reliability evaluation accuracy of the existing fan tower is solved.
Owner:HUANENG NEW ENERGY CO LTD SHANXI BRANCH

Air-ground integration-oriented deterministic edge computing power network unmanned aerial vehicle auxiliary deployment and task scheduling method

The invention discloses an air-ground integration-oriented deterministic edge computing power network unmanned aerial vehicle auxiliary deployment and task scheduling method. The method comprises the steps of constructing a multi-layer computing power network model based on network topology; constructing a DAG graph model according to the calculation task; generating an optimal network forwarding path for each workflow of the DAG model in the multi-layer computing power network model, and completing path planning, time slot scheduling and subtask unloading of the workflows; a vacant deployment position of a computing power calculation node is positioned through a multi-layer computing power network model, matching of the unmanned aerial vehicle and the vacant deployment position is completed in combination with a subtask unloading result and a computing power demand of the subtask, and a service time slot and a service deployment position of the unmanned aerial vehicle are adjusted; all task transmission is completed in a determined service time slot period based on the service time slot and the service deployment position of the unmanned aerial vehicle and through time-aware gating control. The task is ensured to be completed in a controllable time delay range, and the overall delivery efficiency of the task is improved.
Owner:NO 15 INST OF CHINA ELECTRONICS TECH GRP

Cable aging assessment determination system and method based on sample data

The embodiment of the invention discloses a cable aging assessment determination system and method based on sample data, and the method comprises the steps: obtaining the performance information of each sample cable under different environment factor information, types, service life and service time, and determining the aging assessment value of the sample cable based on the performance information, determining a training data set according to the aging evaluation value, the environmental factor information, the type, the service life and the service duration of each sample cable, performing training based on the training data set and a pre-training model to obtain a cable aging evaluation model, and obtaining the environmental factor information, the type, the service life and the service duration of a to-be-evaluated cable, and determining input data according to the environmental factor information, the type, the service life and the service duration of the to-be-evaluated cable, and inputting the input data into the cable aging evaluation model to obtain an aging evaluation result. According to the scheme, aging evaluation is carried out on the cable through the sample data, cable aging evaluation can be efficiently and accurately realized, and the method is simple and easy to implement and low in labor cost.
Owner:GUANGZHOU PANYU CABLE WORKS

Gas forklift

The invention discloses a gas forklift, which comprise a forklift body and also comprises a gas tank, wherein the gas tank is arranged on a rear seat of the forklift body through a fixed support; the fixed support comprises a support frame and clamp rings; the clamp rings are formed by hinging two arc-shaped clamp arms; the end parts of one arc-shaped clamp arm is provided with a clamp splice; the clamp splice is provided with a through hole; the end part of the other arc-shaped clamp arms is hinged with an insertion; and each insertion is provided with an insertion rod which passes through the through hole and is locked by a nut. By adopting the structure, the gas forklift disclosed by the invention has the following advantages that 1, as the gas tank is installed on the rear seat of the forklift, the service time of the gas of the forklift can be prolonged, frequent gas filling is avoided, and the working efficiency is increased; 2, meanwhile, the gas tank is convenient in replacement, so that operation troubles brought by opening the rear seat of the forklift when gas filling is performed are avoided; and 3, the two arc-shaped clamp arms can be conveniently connected or loosened, therefore, not only is the gas tank fixed but also the gas tank can be conveniently replaced.
Owner:ANHUI DEMO NEW ENERGY FORKELEVATOR

Data processing based on end-edge-cloud scheduling system

PCT designated stageWO2025201455A1Resource allocationEdge serverEngineering
Disclosed in embodiments of the present description are a data processing method, apparatus and device based on an end-edge-cloud scheduling system. The method comprises: acquiring a first service processing request in the process of executing a target service; then, determining a computing power allocation strategy for a terminal side and an edge server side and corresponding to the first service processing request, wherein the computing power allocation strategy is determined on the basis of the number of service processing requests processed by the terminal side, the number of service processing requests processed by the edge server side, and the trusted release rates of service processing requests corresponding to the terminal side and the edge server side, under the computing power constraint conditions and / or service time consumption conditions of the edge server side; and finally, on the basis of the computing power allocation strategy, determining a device side for processing the first service processing request, and processing the first service processing request on the basis of the determined device side.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Grinding fluid service time prolonging device

The embodiment of the utility model provides a grinding fluid service time prolonging device. The grinding fluid service time prolonging device comprises a storage part; the storage part is provided with a first end part and a second end part, the first end part and the second end part are both provided with fixing frames, and the two fixing frames are installed on the base frame; wherein the storage part is internally provided with an air duct, the air duct is provided with an air inlet, the air inlet is formed in the first end part, the air inlet and the first end part are located on the same plane, and the outer wall of the air duct is provided with a plurality of through holes; a first cavity is formed in the ventilation channel, a second cavity is formed between the ventilation channel and the inner wall of the storage part, the second cavity is used for storing grinding fluid, a plurality of through holes are formed in the outer wall of the ventilation channel, the first cavity is formed in the ventilation channel, the second cavity is formed between the ventilation channel and the inner wall of the storage part, and the second cavity is used for storing the grinding fluid; and air can be discharged into the grinding fluid, so that the grinding fluid is in full contact with the air, and the service cycle of the grinding fluid is prevented from being shortened.
Owner:KUNSHAN ALUMINUM

Power efficient non-terrestrial network connection establishment

A method (1200) performed by a wireless device (110) includes obtaining a remaining service time (Tservice) associated with a first satellite or first spot beam. Based on the remaining service time, the wireless device determines whether to initiate a connection with the first satellite or first spot beam.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Access method and device of low earth orbit satellite communication system

The invention discloses an access method and device of a low-orbit satellite communication system, and belongs to the field of satellite communication. The method comprises the following steps: if an auxiliary information timer of a current satellite cell is overtime and random access fails, determining whether an adjacent cell of which the beam signal strength reaches access threshold strength exists at present; if it is determined that the neighbor cell with the beam signal strength reaching the access threshold strength exists currently, determining an optimal satellite cell of random access according to the current satellite cell and the remaining service time of the neighbor cell to the ground terminal; the remaining service time is the remaining time when the satellite cell beam signal covers the ground terminal. According to the invention, the access can be accelerated, the access time delay can be reduced, and the risks of switching, signaling resource waste and switching failure increase caused by fast switching after access can be avoided.
Owner:BEIJING XINGYI LIANXIN TECH DEV CO LTD +1